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w. w Wil. M VIL he Y ,Tw WANN una h S M w N. PETERS, PHOTO LITHOGAPMEUNITED STATES PATE STEAM-PUMP.

Specification of Letters Patent No. 27,426, dated March 13, 1860.

To all whom it may concern:

Be it known that we, ADoLrH BRowN and FELIX BROWN, both of the city ofNew York, in the county and State of New York, have invented a new anduseful Improvementin Steam-Pumps; and we hereby declare that thefollowing is a full and exact description of the same, reference beinghad to the accompanying drawings and to the letters of reference markedthereon.

Figure I represents a longitudinal section of our improved steam pump.Fig. H shows a top view of the same. Fig. III is a cross section at A,B.

Similar letters represent similar parts.

The nature of our invention consists, first, in the arrangement ofconnecting together the inner heads of the steam cylinder' and the waterpump by frames which latter contain the bearings for the shaft,facilitating thereby the itting up of the pump, and dispensing with anyother framing or foundation plate; secondly, in the arrangement of thevalves in the chamber of the pump, in such a manner, that the entranceand discharge of the fluid to and from the barrel of the pump, shall beas direct and as near to the end of said barrel as possible, and at thesame time give an easy access to the valves and seats for the purpose ofexamining or replacing the same.

In the accompanying drawing D represents part of the steam cylinder andE the pump.

F is the cylinder head and G the cover for the pump. These two areconnected together by t-he frames H, which cont-ain the bearings J, forthe crank shaft, K, and are either cast together with the two heads orcovers, F, and, G, or otherwise firmly attached to the same.

The piston rods L, L, are connected together by the harp piece, M, inthe middle of which the connecting rod, N, works on the crank, O.

By this arrangement the construction of the steam pump is considerablysimplified and every other framing or foundation plate dispensed with,and only requires the steam cylinder and pump, after being finished, to

be attached to their respective heads, when the steam pump is ready foroperation, saving thereby considerable in the fitting up of the pump,and as the two heads, F, and, G, are bored out, for the piston rods, inone operation, and the said heads faced off, at the same time, the steamcylinder, and pump after being attached, must always be in a line, andtrue to each other.

Above and below the barrel of the pump E chambers P and Q, are cast on,communieating at both ends with said barrel, and made with suitableprovisions to receive the valves and seats V, V, V, V. These valves andseats are of the description commonly called wing valves, and are put infrom each end of the pump, and secured in their places by keys (a), oneon each side, fitting in suitable grooves made in the chambers. The pumpis then closed by the heads or covers G and F. On the inner head Grsmall doors, m, are provided opposite the valve to obtain access to thesame, without unscrewing the pump loose from said head when the valvesrequire to be looked after. By this arrangement ready access is had toevery valve, and the same can be easily replaced without much trouble,given at the same time a direct passage for the entrance and dischargeof the water or fluid to and from the barrel of the pump and close tothe ends of the same.

That we claim as our invention and desire to secure by Letters Patentis- 1. 7e claim connecting together the steam and pump cylinders ofsteam pumping engines, by means of frames or stretchers, which containthe bearings of the crank shaft, constructed and arranged as described,and for the purpose set forth.

2. We claim the hinged valves constructed as above described, when thesame are arranged and used in combination with steam pumping engines asherein set forth.

ADOLPH BROWN. FELIX BROVN.

Witnesses:

HENRY E. ROEDER, JAMES H. DAVIDSON.

